Comets probably didn’t deliver life’s building blocks to Earth
Most comets would have hit Earth with too much speed and at too sharp an angle for life-giving molecules to survive impact, a new study
Category: Science
Hepatitis B could surge, infecting millions more in childhood, under proposed CDC guidance
A proposed change to decades-old guidance on hepatitis B vaccination would lead to a dramatic increase in chronic hepatitis B virus (HBV) infections among young
Native Hawaiians and Easter Islanders came from same ‘ultravoyager’ group
Native Hawaiians and Easter Islanders genetically descend from the same “ultravoyager” Polynesian group that crossed vast distances of ocean to reach these remote islands, a
James Webb telescope discovers rare ring galaxy and ‘intruder’ 2 billion years after the Big Bang
A view of the possible ring galaxy GS18660 as seen by the James Webb Space Telescope. New observations hint that the ancient galaxy may have
How brain implants turn thoughts into speech
New brain-computer interfaces turn attempted speech into words and can speak them in a voice resembling the user’s own.
NASA’s Neo Surveyor Sunshade
The large sunshade of NASA’s Near-Earth Object Surveyor mission is inspected by a technician at BAE Systems Space & Mission Systems in Boulder, Colorado, in
Is AI making you lazier?
Artificial intelligence (AI) tools like chatbots are becoming part of everyday life, helping people write messages, answer questions and learn new skills. While some of
Rare tiger behaviors captured on camera show ‘we really know nothing about them’
A male tiger approaches his cubs and greets them with a head-bobbing motion while their mother rests nearby. The surprising interaction, captured in the PBS
30,000-year-old bone found in French cave reveals vast genetic connections between people of Eastern and Western Europe during the Stone Age
Scientists have sequenced the genomes of three Late Stone Age people who lived in Europe 30,000 years ago and discovered that they had closer biological
Roller coaster safety is a matter of science
Guidelines for designing coasters don’t reflect the latest science about what types of movement the brain can withstand.
After the dinosaurs died, the massive ‘D. rex’ fungus ruled the woods
Farmers in Yunnan Province, China, alerted researchers to the humongous fungus. Dianjunus rex’s mushrooms stand at half a meter tall.
Scientists invent implant that can transform sugar in the blood to treat type 2 diabetes
An experimental medical implant that removes excess sugar from the blood has shown promise in treating diabetes and obesity in tests with lab mice. Coupled
Twin hurricanes stare out to space as they barrel toward Hawaii
QUICK FACTS Where is it? Pacific Ocean What’s in the photo? Hurricane Madeline (left) and Hurricane Lester (right) Which satellite took the photo? Suomi NPP
A psychologist explains his theory for why orcas are attacking boats
Over the past six years , orcas have made headlines for a unique behavior: Some individuals have repeatedly damaged or destroyed rudders on boats. The